Rios failed drug test after Pacquiao fight

Welterweight Brandon Rios failed his post fight drug test after losing his PPV clash against Manny Pacquiao on November 23 in Macao, China. Pacquiao and Rios were both randomly tested by VADA and according to Ringtv, Rios tested dirty for a dietary supplement known as Methylhexanamine or DMAA. Pacman was clean all the way through.